Card Number Validation in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 150th nwellnhof 🇩🇪 853 46 7 Oct 2024 152nd JayXon 🇺🇸 853 95 4 Oct 2024 153rd sean-niemann 🇺🇸 852 56 8 Aug 2025 154th edsrzf 🇳🇿 850 86 24 Jul 2025 155th MostParsingVex 850 100 1 Oct 2024 156th stefangimmillaro 850 139 3 Oct 2024 156th edsrzf 🇳🇿 850 139 23 Jul 2025 158th JayXon 🇺🇸 848 104 6 Oct 2024 159th emgordon154 846 67 18 Nov 2024 160th DialFrost 🇸🇬 846 94 1 Oct 2024 160th ndren 846 94 14 Feb 2025 162nd IanUtley 844 113 2 Oct 2024 163rd edsrzf 🇳🇿 841 150 27 Feb 2025 164th CLOStrophobic 🇮🇹 840 119 24 Feb 2025 165th sean-niemann 🇺🇸 840 121 30 Nov 2024 166th lynn 840 131 8 Jan 2025 167th error256 839 94 7 Oct 2024 168th primo-ppcg 🇹🇭 839 128 27 Apr 2025 169th moustave 838 95 4 Nov 2024 169th emgordon154 838 95 18 Nov 2024 171st xsot 🇸🇬 837 57 6 May 2025 172nd JayXon 🇺🇸 837 109 5 Oct 2024 173rd GrayJoKing 🇦🇺 835 47 1 Oct 2024 174th Shanethegamer 🇺🇸 835 77 1 Oct 2024 174th edsrzf 🇳🇿 835 77 10 May 2025 174th biocommando 🇫🇮 835 77 13 Jun 2025 177th sean-niemann 🇺🇸 835 114 2 Oct 2024 178th nwellnhof 🇩🇪 834 84 2 Oct 2024 178th ovs-code 🇩🇪 834 84 2 Nov 2024 178th inventshah 834 84 31 Mar 2025 181st stefangimmillaro 833 68 2 Oct 2024 182nd sean-niemann 🇺🇸 832 81 20 Dec 2024 183rd error256 832 106 8 Oct 2024 184th emplv 🇱🇻 832 142 2 Oct 2024 184th sean-niemann 🇺🇸 832 142 2 Oct 2024 186th emplv 🇱🇻 830 77 28 Mar 2025 187th stefangimmillaro 830 80 12 Nov 2024 188th stefangimmillaro 830 112 4 Oct 2024 189th KasperKivimaeki 🇫🇮 829 96 1 Jul 2025 189th MeWhenI 🇻🇦 829 96 30 Jul 2025 191st MeWhenI 🇻🇦 826 130 3 Oct 2024 192nd MeWhenI 🇻🇦 826 143 2 Oct 2024 193rd m-tkach 🇺🇦 825 144 8 Oct 2024 194th ovs-code 🇩🇪 825 200 19 Apr 2025 195th retrohun 824 71 10 Jan 2025 196th dcgjb 824 78 6 May 2025 197th saito-ta 🇯🇵 824 85 1 Oct 2024 197th MeWhenI 🇻🇦 824 85 5 Oct 2024 199th m-tkach 🇺🇦 823 58 8 Oct 2024 200th Kacarott 🇦🇺 823 73 1 Oct 2024 200th chunes3 🇺🇸 823 73 2 Oct 2024 202nd JayXon 🇺🇸 823 155 3 Oct 2024 203rd DialFrost 🇸🇬 822 82 23 Jun 2025 204th edsrzf 🇳🇿 821 118 27 Jul 2025 205th ovs-code 🇩🇪 820 65 30 Oct 2024 206th emplv 🇱🇻 820 145 24 Oct 2024 207th sean-niemann 🇺🇸 819 115 18 hours ago 208th sean-niemann 🇺🇸 818 48 9 Aug 2025 209th stefangimmillaro 818 99 3 Oct 2024 210th MeWhenI 🇻🇦 817 104 2 Oct 2024 211th edsrzf 🇳🇿 817 108 26 Jul 2025 212th lifthrasiir 🇰🇷 815 197 19 Dec 2024 213th m-tkach 🇺🇦 814 138 3 Oct 2024 214th MeWhenI 🇻🇦 813 85 4 Oct 2024 215th Shanethegamer 🇺🇸 812 69 2 Oct 2024 216th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 217th GolfingSuccess 🇬🇷 812 98 5 Oct 2024 217th firegene 🇮🇪 812 98 21 Oct 2024 219th error256 811 116 17 hours ago 220th primo-ppcg 🇹🇭 811 232 13 Aug 2025 221st Shanethegamer 🇺🇸 810 70 9 Apr 2025 222nd Natanaelel 🇸🇪 809 59 7 Feb 2025 223rd ovs-code 🇩🇪 808 106 1 Oct 2024 223rd inventshah 808 106 1 Oct 2024 225th kg583 🇺🇸 808 117 2 Aug 2025 Prev 151–225 of 760 Next